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. Author manuscript; available in PMC: 2020 Sep 1.
Published in final edited form as: Clin Neurophysiol. 2019 Dec 10;131(6):1383–1398. doi: 10.1016/j.clinph.2019.11.029

Fig. 5.

Fig. 5.

The external coil and power supply unit (A), and the subretinal array implanted in the retina (B) with a closeup of the photovoltaic diodes of the Alpha AMS implant. Note that as the device is photovoltaic, it does not use an external camera embedded on goggles, as the other devices do. Images courtesy of Retina Implant AG, Germany.